1
den
a wild animal's home or resting place
2
slippery
likely to cause slipping or sliding
3
surface
the top or outside part of something
4
survive
continue to live
5
underground
beneath the ground
den
a wild animal's home or resting place
slippery
likely to cause slipping or sliding
surface
the top or outside part of something
survive
continue to live
underground
beneath the ground